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Log4j - Interview Questions and Answers for 'Debug vs trace' - 1 question(s) found - Order By Newest

 Q1. What is the difference between DEBUG and TRACE logging levels ?Log4j
Ans. TRACE designates finer grained informational events than the DEBUG.TRACE is level lower than DEBUG.

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 In following log4j configuration file, How should we change the logging level to WARN

<Configuration status="DEBUG">
<Appenders>
<RollingFile name="File" fileName="logs/xyz.log" filePattern="logs/xyz-%d{MM-dd-yyyy}.log.gz">
      <TimeBasedTriggeringPolicy />
   </RollingFile>
</Appenders>
<Loggers>
<Root level="DEBUG">
<AppenderRef ref="File" />
</Root>
</Loggers>
</Configuration>
 in the following log4j config file, How should we change the file name and format


<Configuration status="DEBUG">
<Appenders>
<RollingFile name="File" fileName="logs/xyz.log" filePattern="logs/xyz-%d{MM-dd-yyyy}.log.gz">
      <TimeBasedTriggeringPolicy />
   </RollingFile>
</Appenders>
<Loggers>
<Root level="DEBUG">
<AppenderRef ref="File" />
</Root>
</Loggers>
</Configuration>
 In the following log4j config, What if we don't need rolling logs

<Configuration status="DEBUG">
<Appenders>
<RollingFile name="File" fileName="logs/xyz.log" filePattern="logs/xyz-%d{MM-dd-yyyy}.log.gz">
      <TimeBasedTriggeringPolicy />
   </RollingFile>
</Appenders>
<Loggers>
<Root level="DEBUG">
<AppenderRef ref="File" />
</Root>
</Loggers>
</Configuration>
 What are some of the Log4j appenders ?



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